Related Questions
Which of the following correctly describes the arms of a submetacentric chromosome?
Shorter arm is 'p' and longer arm is 'q'
Both arms are equal in length
Shorter arm is 'q' and longer arm is 'p'
Shorter arm is 'm' and longer arm is 'l'
The kinetochore is a complex structure composed primarily of:
Lipids
Carbohydrates
Nucleic acids
Proteins
Polytene chromosomes, found in certain insect tissues, exhibit distinct banding patterns. These bands represent:
Individual genes arranged linearly along the chromosome.
Regions of heterochromatin exclusively.
Regions where DNA replication has been halted prematurely.
Regions of highly condensed chromatin corresponding to inactive genes interspersed with less condensed regions of active genes.
In a submetacentric chromosome, the shorter arm is designated as:
p
q
m
s
Which of the following is NOT a characteristic of a metacentric chromosome?
Two arms of equal length
Centromere located in the middle
Centromere located near one end
Forms a V-shape during cell division
The structure formed by DNA wrapped around histone proteins is called:
Chromosome
Chromatid
Chromatin
Centromere
Which histone protein is NOT part of the nucleosome core octamer?
H2A
H2B
H3
H1
Which of the following is associated with the synthesis of secretory proteins?
Balbiani rings
Nucleolus
Centromere
Telomere
Balbiani rings are prominent structures found in:
Polytene chromosomes
Lampbrush chromosomes
Meiotic chromosomes
Mitotic chromosomes
The large puffs on polytene chromosomes, known as Balbiani rings, are primarily involved in:
RNA synthesis
DNA replication
Protein degradation
Chromosome condensation